# Questions on Word Problems: Rate of work, PAINTING, Pool Filling answered by real tutors!

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 Word Problems: Rate of work, PAINTING, Pool Filling Solvers Lessons Answers archive Quiz In Depth

 Question 275989: one drain pipe can empty a swimming in 6 hr. Another pipe takes 3 h. if both are used at the same time to drain the pool, what part of the job is completed in 2h? in x h? Click here to see answer by mananth(12270)
 Question 275989: one drain pipe can empty a swimming in 6 hr. Another pipe takes 3 h. if both are used at the same time to drain the pool, what part of the job is completed in 2h? in x h? Click here to see answer by richwmiller(9135)

 Question 275978: A screwdriver 9in.long is used to open a can of paint. The tipof the screwdriver is placed under the lip of the lid with the fulcrum 0.15in. from the lip. A force of 30lb is applied to the other end of the screwdriver.Find the force on the lip of the lid Click here to see answer by mananth(12270)

 Question 276089: It takes an older computer twice as long to send out a company’s email as it does a newer computer. Working together, it takes the two computers minutes to send out the email. How long will it take the older computer to send out the email on its own? Do not do any rounding. Click here to see answer by solver91311(16868)

 Question 276164: if a slow hose pipe takes 45 minutes to fill a bucket and a fast hose pipe takes 30 minutes . how long would both pipes take together? Click here to see answer by checkley77(12569)

 Question 276334: one pipe can fill a tanks in 2 hours and a second pipe can fill it in 2 hours. If the tanks is empty, how long will it take both pipes to fill the tank? Click here to see answer by nyc_function(2733)

 Question 276459: The formula h= 16t2 represents the distance h; infeet, that an object falls from rest after 1 seconds. In how many seconds will an object fall 400 ft. Click here to see answer by checkley77(12569)

 Question 276458: A ship sails 60 miles south, 90 miles east and 60 miles south again. How many miles is it from its starting point ? Click here to see answer by checkley77(12569)

 Question 276457: A truck can hold 3 cubic yards of sand. If a cubic foot of a sand weighs 80 pounds, the weight of the truck load of sand in pounds is [6,480 pounds]. Click here to see answer by checkley77(12569)

 Question 276456: A whistle blows every 14 minutes and a bell rings every 12 minutes. If the whistle and bell both sound together at 12 :00 noon, at what time, afternoon, will they first sound together again ? Click here to see answer by checkley77(12569)

 Question 276453: a man walked diagonally across a square plot. What was the percent saved by not walking along the edges? Click here to see answer by checkley77(12569)

 Question 276491: If 5 adults and 2 children work together, a job can be done in a day. If only 2 adults work, then 6 children must work in order to complete the job in a day. The number of days that it takes for a child to do the job alone is: a 9 b 25/3 c 26/3 d 8 e none of above Click here to see answer by ankor@dixie-net.com(15638)

 Question 276666: A painter can finish painting a house in 8 hours. Her assistant takes 10 hours to finish the same job. How long would it take for them to complete the job if they were working together. Click here to see answer by scott8148(6628)

 Question 276855: The time t required to empty a tank varies inversely as the rate r of pumping. If a pump can empty a tank in 45 mins at the rate of 600kL/ min, how long will it take the pump to empty the same tank at the rate of 1000kL/min? Click here to see answer by mananth(12270)

 Question 277280: It takes Cathy 1.5 hours to paddle her canoe 6 miles upstream. Then she turns her canoe around and paddles 6 miles downstream in 1 hour. What is the rate of the current? What is Cathy's paddling rate in still water? Click here to see answer by oberobic(2304)

 Question 277389: six carpenters can do a job in nine days. working at the same rate, 1) How many days will it take two carpenters to do the job? 2) How many carpenters will it take to so the job in three days? Click here to see answer by ankor@dixie-net.com(15638)

 Question 278113: it takes 5 men 3 hours to do a job if 3 men do the same job how long will it take OK You want to find out what the MANHOURS ARE. 5x3=15 (If it took them 3DAYS, you would then use MANDAYS, which would be 15 MANDAYS.) Since you now only have 3 men doing the job, simply divide: 15 MANHOURS/3 (MEN), LEAVING YOU WITH 5 hours the three men will take to do the same job that 5 men did on only three hours! (First 'gut' observation is that with less men, it will take a longer time.) Click here to see answer by ankor@dixie-net.com(15638)
 Question 278113: it takes 5 men 3 hours to do a job if 3 men do the same job how long will it take OK You want to find out what the MANHOURS ARE. 5x3=15 (If it took them 3DAYS, you would then use MANDAYS, which would be 15 MANDAYS.) Since you now only have 3 men doing the job, simply divide: 15 MANHOURS/3 (MEN), LEAVING YOU WITH 5 hours the three men will take to do the same job that 5 men did on only three hours! (First 'gut' observation is that with less men, it will take a longer time.) Click here to see answer by Grinnell(63)

 Question 278501: A swimming pool can be filled in 12 hours if water enters through a pipe alone, or in 28 hours if water enters through a hose alone. If the water is entering through both the pipe and the hose, how long will it take to fill this pool? Click here to see answer by solver91311(16868)
 Question 278501: A swimming pool can be filled in 12 hours if water enters through a pipe alone, or in 28 hours if water enters through a hose alone. If the water is entering through both the pipe and the hose, how long will it take to fill this pool? Click here to see answer by ankor@dixie-net.com(15638)

 Question 278780: working together,Carmel and Menchie can encode a document in 3 hours.Working alone,Menchie can do the job in 7 hours.How long does it take carmel to do the job working alone? Click here to see answer by Grinnell(63)

 Question 276455: the time allowed for completing a certain piece of work is 40 days. By extending the time by 10 days we find that 25 fewer man will be needed. How many men are required to finish the work in 40 days? Click here to see answer by Grinnell(63)

 Question 279155: Jack can paint his apartment in 12 hours. His wife Cheryl requires 20 hours to do the same job. How long will it take them to complete the job if they worked together? Click here to see answer by stanbon(57246)

 Question 279233: jim can paint a house in 6 hours. bob can paint the same house in 4 hours. How long will it take the two of them to paint the house Click here to see answer by Earlsdon(6287)

 Question 279378: Albert can mow a lawn in 40 minutes, while Vinnie can mow the same lawn in one hour. How long would it take them to mow the lawn if Albert and Vinnie work together? Click here to see answer by richwmiller(9135)

 Question 279496: if maria paint a house in 4 hours, and john takes 6 hours topaint the same house.. how long will it take to paint the house if both of them work together Click here to see answer by Alan3354(30983)

 Question 279511: John can clean the pool in 30 minutes, Julie can clean the pool in 45 minutes and Tom can clean the pool in 90 minutes. How long would it take to clean the pool if all 3 work together Click here to see answer by mananth(12270)
 Question 279511: John can clean the pool in 30 minutes, Julie can clean the pool in 45 minutes and Tom can clean the pool in 90 minutes. How long would it take to clean the pool if all 3 work together Click here to see answer by richwmiller(9135)

 Question 279541: ernie and mike painted a fence together in "a" hours. it would take ernie "b" hours to paint the fence by himself. what fraction of the fence did ernie paint? what fraction of the fence did mike paint? Click here to see answer by richwmiller(9135)

 Question 279844: how would i solve this problem 12 gallons of paint/8,329ft to the second power = 9 gallons of paint/1,240 to the second power. Click here to see answer by Alan3354(30983)

 Question 280513: James and Wendy can paint a house in three-fourths the time that it takes James working alone. Wendy takes 12 days to paint a house alone.the rate in houses per day at which James paints alone is A 2 b 1/2 c 4 d 1/4 e 1/6 Click here to see answer by richwmiller(9135)

 Question 281137: An old conveyor belt takes 21 h to move one day's coal output from the mine to a rail line. A new belt can do it in 15 h. How long does it take when both are used at the same time? Please help. I've seriously spent about an hour trying to set this up and I can't, well I just haven't been able to yet. Click here to see answer by richwmiller(9135)

 Question 281222: One pipe can fill a tank in 5 hours, and another pipe can fill a tank in 7 hours. How long will it take to fill a tank if both pipes are used? Click here to see answer by richwmiller(9135)

 Question 281481: Mark can paint the fence in 15 minutes and Manny can paint the fence in 30 minutes. If Manny and Mark work together how long will it take to paint the fence? Click here to see answer by richwmiller(9135)
 Question 281481: Mark can paint the fence in 15 minutes and Manny can paint the fence in 30 minutes. If Manny and Mark work together how long will it take to paint the fence? Click here to see answer by stanbon(57246)

 Question 281487: one pipe can fill a bathtub in 6 minutes and a second pipe can fill it in 12 minutes.If the tub is empty how long will it take to fill the tub if both pipes were to fill it? Click here to see answer by solver91311(16868)
 Question 281487: one pipe can fill a bathtub in 6 minutes and a second pipe can fill it in 12 minutes.If the tub is empty how long will it take to fill the tub if both pipes were to fill it? Click here to see answer by richwmiller(9135)

 Question 281522: Martha can rake the leaves in her yard in 4 hours. Her brother can do the job in 7 hours. How long will it take them to do the job working together? Click here to see answer by checkley77(12569)

 Question 283085: Pipes A, B, and C individually drain a basin in 3, 2, and 1.5 hours respectively. If they were all opened to drain the basin together, how many minutes would it take? a) 20 b) 40 c) 60 d) 90 Click here to see answer by richwmiller(9135)

 Question 283215: The time T to do a job varies inversely as the number of people P working. It takes 10 hours for 5 bricklayers to build a park wall. How long will it take for 12 bricklayers to complete the job? Click here to see answer by richwmiller(9135)

 Question 283680: pump A can do a job in 42 mins and pump B can do a job in 35 mins. how long if both pumps are used. Click here to see answer by richwmiller(9135)

 Question 283696: SOLVE: 5\8- 3\5 = x\10 Click here to see answer by stanbon(57246)

 Question 283685: A LAWN WAS CUT TO A HEIGHT OF 2 IN. IT THEN GREW AT A RATE OF A 1/8IN. PER DAY. A) LINEAR MODEL OF L (LENGTH) AS A FUNCTION OF T (DAYS). B) WHEN WILL GRASS BE 3 1\2 IN. Click here to see answer by richwmiller(9135)

 Question 283698: SOLVE : 4\X-3 + 2X\X-3 = 12\X^2-6X+9 Click here to see answer by stanbon(57246)

 Question 283700: SOLVE: x\7- 7\x =0 Click here to see answer by stanbon(57246)

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